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Electroplating Sludge Hollow Paddle Dryer

Electroplating sludge hollow paddle dryer Selection of equipment: KJG hollow paddle dryer First, the material overview: Electroplating sludge is the electroplating industry wastewater treatment of the "final thing", which contains a lot of copper, nickel, chromium, iron, zinc and other...

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Electroplating sludge hollow paddle dryer

Selection of equipment: KJG hollow paddle dryer
First, the material overview:
Electroplating sludge is the electroplating industry wastewater treatment of the "final thing", which contains a lot of copper, nickel, chromium, iron, zinc and other precious metals.
Electroplating sludge mainly from the industrial electroplating process of various electroplating waste and electrolytic bath liquid through the liquid chemical treatment of solid waste, due to the electroplating manufacturers of different production processes and treatment processes, electroplating sludge chemical composition of considerable Complex, mainly containing chromium, iron, nickel, copper, zinc and other heavy metal compounds and soluble salts.

Second, electroplating sludge hollow paddle dryer overview:
Electroplating sludge dryer can be the initial moisture content of 75% of the material dry to 20% per hour of production has reached 420Kg, greatly improving the efficiency of enterprises on drying electroplating sludge.

Hollow Paddle Drier can indirectly heat or cool the paste, granules and powder or slurry materials. It is a combined unit for drying, cooling, sterilizing , reacting or low temperature calcining. This special wedge type processor use agitator form to develop its higher efficient of heat transfer. The wedge-shaped agitator blades are self-cleaning.

It is one kind of continuous and energy-saving dryer.There are wedge-shaped hollow paddles in hollow axis,and heat medium is from-40oC to 320oC, the heat medium is steam or hot air or heat conduction oil and so on. Indirectly heating way does not take the energy, so the energy is used for heating material. The energy loss is only heat emission of heatkeeping layer. The transferring heat of wedge-shape side takes cleaning actions. It can clean waste material in wedge-shaped size.The body of edgeshaped hollow paddle dryer is W shape.There are 2-4 hollow mixing axes in the body.In order to avoid discharging material dust and to collect material solvent, there is a sealed cover on top of body. A baffle is on the outlet of discharging material, in order to keep the height of materials. The heat medium (such as steam or thermal oil) will flow into chamber jacket and hollow mixing axis through rotary join. Hollow mixing axis has different inner structures according to different types of heat medium, which will ensure of best heat transfer efficient.

Third, the characteristics of electroplating sludge hollow paddle dryer:
1. Blanking dryer low energy consumption: due to indirect heating, there is no large amount of heat taken away with the air, the dryer wall is installed the insulation layer, save more energy than the usual convection drying method.
2. Hollow paddle dryer system cost is low: the unit effective volume has a huge heat transfer surface, to shorten the processing time, equipment size becomes smaller, it greatly reduces the building area and building space.
3. Wide variety of process problems can be solved by using any kinds of heating source. It is specially suitable for drying heat sensitive materials and ligh temporature materials.The normal heat transfer medium can be steam, heat transfer oil, hot water, as well as cooling water etc… The dryer can be used for continuous or batch processing. It has been widely used in many industry areas already.
4. Small environmental pollution: do not use air with dust material. Material solvent evaporation is very small, easy to handle. For the pollution of the material or the need to recover the solvent conditions, can be used closed circuit.
5. Low operating costs: normal operation of the device, only 1 hour/day. Low-speed mixing and reasonable structure. Wear rate is very low, and maintenance costs are also very low.
6. Stable operating continuously: Because of the special compression and inflation of agitation function of paddle dryer, the material grains touch the heat-transfer area thoroughly. Within the axis direction, the temperature, moisture, mixture and grades of the materials is very small so as to guarantee the stability of whole process.

If the electroplating sludge hollow paddle dryer meets your requirement, welcome to buy the high quality and durable dryer from our factory. Well acknowledged as one of the leading manufacturers and suppliers of electroplating sludge hollow paddle dryer, we must be your best choice. Don't miss it.

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